CN105974544A - Sensing-communication composite optical cable - Google Patents
Sensing-communication composite optical cable Download PDFInfo
- Publication number
- CN105974544A CN105974544A CN201610587812.XA CN201610587812A CN105974544A CN 105974544 A CN105974544 A CN 105974544A CN 201610587812 A CN201610587812 A CN 201610587812A CN 105974544 A CN105974544 A CN 105974544A
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- China
- Prior art keywords
- sensing
- cable
- communication composite
- composite cable
- tight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims description 27
- 239000011347 resin Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 238000005728 strengthening Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 229910000989 Alclad Inorganic materials 0.000 claims description 4
- 239000004760 aramid Substances 0.000 claims description 4
- 229920003235 aromatic polyamide Polymers 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000012946 outsourcing Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000004513 sizing Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention mainly relates to a sensing-communication composite optical cable, which comprises an outer sheath and a cable core. The sensing-communication composite optical cable is characterized in that the cable core comprises a center reinforcer, loose tubes and tight-buffered sensing optical fibers, wherein the loose tubes and the tight-buffered sensing optical fibers are stranded around the center reinforcer. Each loose tube comprises optical communication units; the loose tubes and the tight-buffered sensing optical fibers are wrapped by a water-blocking tape; the water-blocking tape wraps a longitudinal wrap metal tape; the longitudinal wrap metal tape wraps an inner sheath; and the outermost layer of the optical cable is the outer sheath. The optical cable in the invention has good tensile property and side pressure resistance performance, is high in safety, and can be adaptive to complex laying environment; through the special tight-buffered sensing optical fiber structure and cable structure, the optical cable is high in strength and high in sensing sensibility, is more sensitive to vibration and stress, can be suitable for various sensing measurement requirements, and has good sensing characteristics in the aspects comprising vibration, temperature and strain. The sensing-communication composite optical cable is simple and reasonable in structure setting, convenient to lay and use, and can be arranged in an overhead, directly-buried and pipe passing manner.
Description
Technical field
The invention mainly relates to a kind of sensed communication composite cable, belong to fiber optic communication field of sensing technologies.
Background technology
Owing to optical fiber has safety, transmission range length, the advantage such as cheap, vibration optical cable technology is widely used in the large area circumference such as airport, nuclear power station field, is also widely used in the long-distance optical fiber safety-security area such as pipeline, boundary line.
At present, traditional Monitoring Pinpelines method such as method such as manual patrol, suction wave does not the most adapt to that distributional region is wide, circumstance complication degree and the requirement reported to the police before destroying, needs a kind of construction costs badly low and adapt to the distributed sensing monitoring system of detection requirement on a large scale.Owing to duct length is up to hundreds of kilometer, traditional electric measuring type sensor needs along thousand of sensors of line layout, it is wired to data acquisition the most complex and high cost from layouting, and several quantitative limitation of being layouted, it is impossible to reflect the 26S Proteasome Structure and Function situation of pipeline comprehensively.Distributed Optical Fiber Sensing Techniques is a kind of emerging sensing technology, and it is directly using the communication cable of pipeline laying in one ditch as sensor, and it makes full use of the feature of optical fiber space continuous distribution,“Pass”、“Sense”Unification, can realize the physical parameter information along fiber distribution any point, have metrical information enrich, can be accurately positioned, the advantage such as essential safety.And, optical fiber sensing technology is with light wave as carrier, optical fiber is medium, compared with conventional electrical sensor, Fibre Optical Sensor has the advantages such as certainty of measurement height, electromagnetism interference, essential safety, small and exquisite soft, applicable remote transmission, is particluarly suitable for the field application such as electric power, petrochemical industry, traffic, bridge, dam.But it is not high enough that existing sensed communication optical cable there are self-strength, the problem that insufficient sensitivity is strong.
Summary of the invention
The technical problem to be solved is the not enough one not only good mechanical property that provides existed for above-mentioned prior art, and highly sensitive sensed communication composite cable.
The present invention solves that the technical scheme that problem set forth above is used is: include oversheath and cable core, it is characterized in that described cable core includes center reinforcement and is stranded in the Loose tube of its periphery and tightly overlaps sensor fibre, described Loose tube is coated with optical communication element, it is wound with waterstop at Loose tube and the sensor fibre outsourcing of tight set, waterstop outer cladding indulges bag metal tape, vertical bag metal tape outer cladding inner sheath, the outermost layer of optical cable is oversheath.
By such scheme, described Loose tube is laid with aramid yarn.
By such scheme, described tight set sensor fibre includes sensor fibre, resinous coat and resin strengthening sensing layer.
By such scheme, described resin strengthening sensing layer is made up of the tight resin-coated coating of elastomeric material TPU and sensor fibre, and the monolateral thickness of resin strengthening sensing layer is 0.5 ~ 1.0 millimeter.
By such scheme, described tight set sensor fibre is 2, becomes 180 ° of corresponding distributions in cable core.
By such scheme, between inner sheath and oversheath, it is provided with outer vertical bag metal tape.
By such scheme, described vertical bag metal tape is vertical alclad band, and described outer vertical bag metal tape is vertical Baogang band.
By such scheme, described center strengthening core is FRP；Described waterstop is waterproofing type organdy.
By such scheme, described inner sheath and jacket material are polythene material.
The beneficial effects of the present invention is: 1, optical cable has good tensile property and lateral pressure resistant performance, protective value is strong, and adapt to complexity lays environment, and can realize communication function and sensor monitoring function simultaneously；2, specific tight set sensor fibre structure and cable configuration, not only self-strength is high, and protective value is good; and sensing sensitivity is high, more sensitive to vibration and stress, applicable multiple sensing measurement demand; there is good sensing characteristics, including vibration, temperature, strain.This optical cable is applicable to the distance vibration monitor system that COTDR and M-Z interferes；In COTDR applies, using unique tight tube structure, make vibration transmission more efficient, ratio Loose tube structure, sensitivity improves several times；In M-Z interference system, owing to two tight tube fibers are 180 ° of distributions, so making the distribution distance in optical cable of two core fibres respectively as sensing optic cable and reference optical cable farthest, differentiation is maximum, the effect making interference becomes apparent from, and also makes the probing sensitivity of system double.And prior art is just with GYTA53 or the structure of other common communications optical cables, realize the detection to vibration, poor to the Effect on Detecting of vibration；3, present configuration arranges advantages of simple, lays easy to use, can make somebody a mere figurehead, direct-burried and poling.By optical cable along pipeline with ditch or parallel laying, the temperature of pipeline any point along the line, strain, vibration information can be obtained in real time, realize that pipeline leaks along the line, drilling hole of oil stolen, the unusual condition such as geological disaster are monitored in real time, have far measuring distance, continuous distribution formula is measured, can be accurately positioned, install the advantages such as simple, safe and reliable, autgmentability is strong, pipeline will not be produced any destruction or affect it and normally produce, being especially suitable for the application of long-distance oil & gas pipeline on-line monitoring.
Accompanying drawing explanation
Fig. 1 is the radial structure profile of one embodiment of the invention.
Fig. 2 is the tight profile overlapping sensor fibre of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Include oversheath 1 and cable core, described cable core includes center reinforcement 7 and the Loose tube 10 being stranded in its periphery and tight set sensor fibre 6, described center reinforcement 7 is FRP(aramid yarn) constitute, described Loose tube is 4, Loose tube is made up of PBT, being coated with optical communication element in Loose tube, optical communication element is optical fiber 8 or fibre ribbon, is laid with aramid yarn and material water-proof material 9 in Loose tube；Described tight set sensor fibre is 2, becomes 180 ° of corresponding distributions, described tight set sensor fibre to include sensor fibre 11, resinous coat 12 and resin strengthening sensing layer 13 in cable core.Being wound with waterstop 5 at Loose tube and the sensor fibre outsourcing of tight set, described waterstop is waterproofing type organdy；Waterstop outer cladding indulges alclad band 4, vertical alclad band outer cladding inner sheath 3, vertical bag metal tape outside being coated with a layer outside inner sheath again, and described outer vertical bag metal tape is vertical Baogang band 2, and the outermost layer of optical cable is oversheath 1.Described inner sheath and oversheath are made up of polythene material.
Outer diameter D 2 and the Loose tube external diameter of tight set sensor fibre all control at 1.85 ± 0.02mm, and they constitute the base component of optical cable, then with suitable pitch SZ to being stranded in around the reinforcement of center, form firm cable part.Optical fiber in Loose tube has the most remaining long, ensures stretching and side pressure performance.
Described resin strengthening sensing layer is made up of the tight resin-coated coating of TPU and sensor fibre, the diameter D2 of resin strengthening sensing layer is 1.85 mm, resin-coated diameter D1 is 245 μm, the resin strengthening sensing layer of tight set sensor fibre selects elastomeric material TPU(hot shortness's polyurethane elastomer) as optical fiber tight sleeve layer, this material has extraordinary high-tension, high-tensile strength, tough and ageing-resistant characteristic.The manufacturing process of resin strengthening sensing layer is with suitable tension force (general about 80 grams) unwrapping wire by the optical fiber of coated with resins coating, carry out preheating and micro-process to optical fiber surface through a preheating furnace, subsequently into extrusion head, directly at one layer of TPU material of optical fiber surface extrusion molding, TPU material entered high temperature machine boring (hierarchical temperature 160 DEG C to 190 DEG C) and softened plasticizing, it is pushed into high temperature head (temperature about 170 DEG C to 180 DEG C) with the pressure of screw rod, squeezed by the core rod matched and die cap and overlay on optical fiber surface, below through the tank cooling sizing cooled down step by step, it is wound on take-up reel by suitable tension force (2N to 3N).
Claims (10)
1. a sensed communication composite cable, include oversheath and cable core, it is characterized in that described cable core includes center reinforcement and is stranded in the Loose tube of its periphery and tightly overlaps sensor fibre, described Loose tube is coated with optical communication element, it is wound with waterstop at Loose tube and the sensor fibre outsourcing of tight set, waterstop outer cladding indulges bag metal tape, and vertical bag metal tape outer cladding inner sheath, the outermost layer of optical cable is oversheath.
2. the sensed communication composite cable as described in claim 1, it is characterised in that be laid with aramid yarn in described Loose tube.
3. the sensed communication composite cable as described in claim 1 or 2, it is characterised in that described tight set sensor fibre includes sensor fibre, resinous coat and resin strengthening sensing layer.
4. the sensed communication composite cable as described in claim 3, it is characterised in that described resin strengthening sensing layer is made up of the tight resin-coated coating of elastomeric material TPU and sensor fibre, and the monolateral thickness of resin strengthening sensing layer is 0.5 ~ 1.0 millimeter.
5. the sensed communication composite cable as described in claim 1 or 2, it is characterised in that described tight set sensor fibre is 2, becomes 180 ° of corresponding distributions in cable core.
6. the sensed communication composite cable as described in claim 1 or 2, it is characterised in that be provided with outer vertical bag metal tape between inner sheath and oversheath.
7. the sensed communication composite cable as described in claim 6, it is characterised in that described vertical bag metal tape is vertical alclad band, described outer vertical bag metal tape is vertical Baogang band.
8. the sensed communication composite cable as described in claim 1 or 2, it is characterised in that described center strengthening core is FRP；Described waterstop is waterproofing type organdy.
9. the sensed communication composite cable as described in claim 1 or 2, it is characterised in that described inner sheath and jacket material are polythene material.
10. the sensed communication composite cable as described in claim 4, it is characterized in that the manufacturing process of sensing layer strengthened by resin is with suitable tension stringing by the optical fiber of coated with resins coating, through a preheating furnace, optical fiber surface is preheated, subsequently into extrusion head, directly at one layer of TPU material of optical fiber surface extrusion molding, TPU material softens plasticizing through high temperature machine boring, it is pushed into high temperature head with the pressure of screw rod, squeezed by the core rod matched and die cap and overlay on optical fiber surface, below through the tank cooling sizing cooled down step by step, it is wound on take-up reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587812.XA CN105974544A (en) | 2016-07-25 | 2016-07-25 | Sensing-communication composite optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587812.XA CN105974544A (en) | 2016-07-25 | 2016-07-25 | Sensing-communication composite optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105974544A true CN105974544A (en) | 2016-09-28 |
Family
ID=56951900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610587812.XA Pending CN105974544A (en) | 2016-07-25 | 2016-07-25 | Sensing-communication composite optical cable |
Country Status (1)
| Country | Link |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107452177A (en) * | 2017-04-14 | 2017-12-08 | 浙江省邮电工程建设有限公司 | A kind of communications optical cable safety pre-warning system |
| CN107543568A (en) * | 2017-09-15 | 2018-01-05 | 南京大学（苏州）高新技术研究院 | A kind of distributed sensing optical cable with boring distribution method and device |
| CN107783233A (en) * | 2017-10-20 | 2018-03-09 | 杭州富通通信技术股份有限公司 | Optical cable |
| CN107783234A (en) * | 2017-10-20 | 2018-03-09 | 杭州富通通信技术股份有限公司 | The production technology of optical cable |
| CN107910113A (en) * | 2017-11-24 | 2018-04-13 | 长飞光纤光缆股份有限公司 | A kind of sea floor optoelectronic mixing sensing optic cable |
| CN109813367A (en) * | 2018-12-20 | 2019-05-28 | 中国石油天然气股份有限公司 | Optical cable |
| CN110609371A (en) * | 2019-08-23 | 2019-12-24 | 厉高成 | Anti-drawing optical fiber, manufacturing method thereof and signal transmission system |
| CN113903512A (en) * | 2021-09-30 | 2022-01-07 | 中天科技海缆股份有限公司 | Photoelectric composite cable with state monitoring function |
| CN115128749A (en) * | 2022-06-17 | 2022-09-30 | 上海电信工程有限公司 | Waterproof optical cable with self-repairing layer |
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| CN2800449Y (en) * | 2005-03-30 | 2006-07-26 | 上海南大集团有限公司 | DC 1500V railway traffic power cable |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107452177A (en) * | 2017-04-14 | 2017-12-08 | 浙江省邮电工程建设有限公司 | A kind of communications optical cable safety pre-warning system |
| CN107452177B (en) * | 2017-04-14 | 2023-05-23 | 浙江省邮电工程建设有限公司 | Communication optical cable safety precaution system |
| CN107543568A (en) * | 2017-09-15 | 2018-01-05 | 南京大学（苏州）高新技术研究院 | A kind of distributed sensing optical cable with boring distribution method and device |
| CN107543568B (en) * | 2017-09-15 | 2023-07-21 | 南京大学（苏州）高新技术研究院 | Distributed sensing optical cable while-drilling layout method and device |
| CN110456469A (en) * | 2017-10-20 | 2019-11-15 | 杭州富通通信技术股份有限公司 | Optical cable for optical cable production loses analog component |
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| CN107783234A (en) * | 2017-10-20 | 2018-03-09 | 杭州富通通信技术股份有限公司 | The production technology of optical cable |
| CN107783233A (en) * | 2017-10-20 | 2018-03-09 | 杭州富通通信技术股份有限公司 | Optical cable |
| CN107910113A (en) * | 2017-11-24 | 2018-04-13 | 长飞光纤光缆股份有限公司 | A kind of sea floor optoelectronic mixing sensing optic cable |
| CN109813367A (en) * | 2018-12-20 | 2019-05-28 | 中国石油天然气股份有限公司 | Optical cable |
| CN110609371A (en) * | 2019-08-23 | 2019-12-24 | 厉高成 | Anti-drawing optical fiber, manufacturing method thereof and signal transmission system |
| CN113903512A (en) * | 2021-09-30 | 2022-01-07 | 中天科技海缆股份有限公司 | Photoelectric composite cable with state monitoring function |
| CN113903512B (en) * | 2021-09-30 | 2024-04-26 | 中天科技海缆股份有限公司 | Photoelectric composite cable with state monitoring function |
| CN115128749A (en) * | 2022-06-17 | 2022-09-30 | 上海电信工程有限公司 | Waterproof optical cable with self-repairing layer |
| CN115128749B (en) * | 2022-06-17 | 2024-03-01 | 上海电信工程有限公司 | Waterproof optical cable with self-repairing layer |
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Application publication date: 20160928 |